Data Engineer (Clickhouse / Kubernetes /AWS)

Hi everyone, for a client of ours, we are looking for a freelance Data Engineer who has experince with Clickhouse (Fokus on Optimization and the Medallion Architecture. Start: ASAP Duration: 3 months with option to extend Workload: 3 days per week (if that works for you) Remote / On-site: Full remote Location: Germany Tasks: Build and operate production-grade ETL pipelines Deploy and operate workloads on Kubernetes (EKS or self-managed), including Helm and Kubernetes manifests Automate infrastructure using Terraform Optimize ClickHouse, including schema design, performance tuning, and query optimization Implement CI/CD pipelines with GitHub Actions Set up monitoring and alerting with Prometheus and Grafana, including definition of SLIs and SLOs Create runbooks for deployment, rollback, and incident handling Ensure structured knowledge transfer to the internal DWH team Requirements & Skills: Strong hands-on experience with AWS, Kubernetes (especially EKS), ClickHouse, and Airflow (Python) Strong Python development skills; TypeScript is used in adjacent services and tools Solid experience with Infrastructure as Code, especially Terraform Strong deployment experience with Helm and/or Kubernetes manifests Proven experience with CI/CD using GitHub Actions Experience in building and operating reliable data platform components in production environments Strong communication skills in English; German is a plus Nice to have: AWS Lambda , Airflow, Moose, Appsmith, or Metabase